“THE DEVELOPMENT OF BUSINESS ECONOMICS TEACHING MATERIALS BASED ON PROJECT BASED LEARNING (PJBL) VOCATIONAL SCHOOL STUDENTS”. Proceeding International Conference on Digital Education and Social Science 1, no. 1 (November 21, 2022): 100–105. Accessed October 27, 2026. https://prosiding.appipgri.id/icdess/article/view/15.